... machine and grinding machine 2)5.5HP 220KG, 3)Siemens motor 4)One-body gearbox 5)gear and belt driven JS-550 top ... seller floor polishing machine and grinding machine Market position: We JS manufacture medium-to ... ,granite,terrazzo,etc.2,A floor polishing machine and grinding machine is for old floor removal,restoration,renovation,as well.3,Fits kinds ...